阅读说明：本技术 塑料型材生产线中的放卷装置 (Unwinding device in plastic section production line ) 是由 邓文轩 于 2021-10-25 设计创作，主要内容包括：本发明公开了塑料型材生产线中的放卷装置,包括：机架,机架一侧上设有旋转轴承座,机架另一侧上设有开口轴承座,两个轴承座之间设有旋转轴,旋转轴的两端上均安装有轴承,旋转轴一端上的轴承安装于旋转轴承座中,旋转轴另一端上的轴承在旋转轴向后旋转后能从开口轴承座的开口中卡装至开口轴承座中,开口轴承座上设有能将轴承锁定于开口轴承座中的锁定机构,旋转轴上螺纹连接有两个螺母,两个螺母之间设有环形塞套和组合塞套,环形塞套和组合塞套均能插入至膜卷的一端中,环形塞套和组合塞套均套装于旋转轴上,环形塞套和组合塞套的外圈侧壁上设有锥面,组合塞套由两个半环塞对拼而成。上述的放卷装置更换膜卷方便、造价低。(The invention discloses an unreeling device in a plastic section production line, which comprises: the frame, be equipped with the rotating bearing frame on frame one side, be equipped with the opening bearing frame on the frame opposite side, be equipped with the rotation axis between two bearing frames, all install the bearing on the both ends of rotation axis, the last bearing that serves of rotation axis is installed in the rotating bearing frame, the bearing on the rotation axis other end can clamp from the opening of opening bearing frame and adorn to the opening bearing frame in after the rotation axis is rotatory backward, be equipped with on the opening bearing frame and lock the locking mechanical system in the opening bearing frame with the bearing, threaded connection has two nuts on the rotation axis, be equipped with annular plug bush and combination plug bush between two nuts, annular plug bush and combination plug bush homoenergetic insert to the one end of membrane book in, annular plug bush and combination plug bush all suit are on the rotation axis, be equipped with the conical surface on the outer lane lateral wall of annular plug bush and combination plug bush, combination plug bush is formed by two semi-ring plugs to piecing together. The film roll replacing device is convenient to replace and low in manufacturing cost.)

1. Unwinding device in plastic material production line includes: the frame, its characterized in that: a rotatable rotary bearing seat is arranged on one side of a frame, an open bearing seat with an opening is arranged on the other side of the frame, the rotary bearing seat and the open bearing seat are arranged side by side from left to right, the opening of the open bearing seat is arranged forwards, a rotating shaft is arranged between the two bearing seats, two ends of the rotating shaft are respectively provided with a bearing, the bearing on one end of the rotating shaft is arranged in the rotary bearing seat, so that the rotating shaft can horizontally swing back and forth through the rotary bearing seat, the bearing on the other end of the rotating shaft can be clamped into the open bearing seat from the opening of the open bearing seat after swinging backwards, the open bearing seat is provided with a locking mechanism capable of locking the bearing in the open bearing seat, two nuts are in threaded connection with the rotating shaft, an annular plug sleeve and a combined plug sleeve are arranged between the two nuts, and the annular plug sleeve and the combined plug sleeve can be inserted into one end of a film roll, annular plug bush and combination plug bush all suit on the rotation axis, be provided with on the outer lane lateral wall of annular plug bush and combination plug bush and can insert the membrane along with the plug bush and roll up the conical surface that the tip and the bloated tight membrane of portion rolled up, the both ends that membrane was rolled up are inserted respectively to annular plug bush and combination plug bush, two nuts tighten up respectively and lean on back on the outer end of annular plug bush and combination plug bush, the membrane is rolled up and is being fastened the suit on the rotation axis, the combination plug bush is formed by two semi-ring stopper pair pieces together, make the combination plug bush pull down from the rotation axis, thereby when the bearing at rotation axis tip was not installed in the opening bearing frame, the membrane is rolled up and can be followed this end suit on the rotation axis.

2. The unwinding device in plastic section production line of claim 1, characterized in that: the locking mechanism is a locking screw which can block the bearing from leaving the open bearing seat after being screwed into the opening of the open bearing seat.

3. Unwinding device in plastic material production line according to claim 1 or 2, characterized in that: the mounting structure of rotating bearing seat and frame does: be provided with a through-hole in the frame, wear to be equipped with an installation axle in the through-hole, the frame is upwards worn out to the upper end of installation axle, is provided with a mounting hole in rotating bearing seat's bottom, and the upper end of installation axle tightly bonds and inserts to the mounting hole in for rotating bearing seat can rotate through the installation axle, and a separation blade is installed to detachable on the lower extreme of installation axle, and the separation blade can be through leaning on with the frame counterbalance and prevent the installation axle by upwards extracting the through-hole.

4. Unwinding device in plastic material production line according to claim 1 or 2, characterized in that: the opening bearing seat is further connected with a damping screw which can be screwed in and then pushed against the rotating shaft, different rotary damping can be applied to the rotating shaft by adjusting the pushing degree of the damping screw, and therefore the unreeling speed can be adjusted.

5. Unwinding device in plastic material production line according to claim 1 or 2, characterized in that: and a wear-resistant sleeve is arranged on the end part of the damping screw abutting against the rotating shaft.

6. Unwinding device in plastic material production line according to claim 1 or 2, characterized in that: the anti-drop sheet is detachably arranged on the end part of the rotating shaft, wherein the bearing is arranged in the rotating bearing seat, the anti-drop sheet is abutted against the inner ring of the bearing, and when the other end of the rotating shaft is not arranged in the opening bearing seat, the anti-drop sheet can prevent the end part of the rotating shaft, where the anti-drop sheet is arranged, from being separated from the bearing.

Technical Field

The invention relates to the field of plastic section production lines, in particular to an unreeling device in a plastic section production line.

Background

The structure of an unwinding device in a conventional plastic profile production line comprises: the film roll is sleeved on the air expansion shaft, after the air expansion shaft expands tightly, the film roll can rotate along with the air expansion shaft, and thus a protective film on the film roll can be unreeled after being pulled. The steps of replacing the new roll of film are as follows: (1) the two bearing seats are disassembled, and then the air expansion shaft is taken down; (2) then taking down the emptied film roll, and sleeving a new film roll on an inflatable shaft; (3) and (4) reinstalling the air expansion shaft on the two bearing seats, and expanding the air expansion shaft tightly. The unwinding device has the following disadvantages: the film roll is inconvenient to replace; the inflatable shaft is adopted, the structure is complex, and the manufacturing cost is high.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the unwinding device in the plastic section production line is convenient to replace film rolls and low in manufacturing cost.

In order to solve the problems, the technical scheme adopted by the invention is as follows: unwinding device in plastic material production line includes: the frame, its characterized in that: a rotatable rotary bearing seat is arranged on one side of a frame, an open bearing seat with an opening is arranged on the other side of the frame, the rotary bearing seat and the open bearing seat are arranged side by side from left to right, the opening of the open bearing seat is arranged forwards, a rotating shaft is arranged between the two bearing seats, two ends of the rotating shaft are respectively provided with a bearing, the bearing on one end of the rotating shaft is arranged in the rotary bearing seat, so that the rotating shaft can horizontally swing back and forth through the rotary bearing seat, the bearing on the other end of the rotating shaft can be clamped into the open bearing seat from the opening of the open bearing seat after swinging backwards, the open bearing seat is provided with a locking mechanism capable of locking the bearing in the open bearing seat, two nuts are in threaded connection with the rotating shaft, an annular plug sleeve and a combined plug sleeve are arranged between the two nuts, and the annular plug sleeve and the combined plug sleeve can be inserted into one end of a film roll, annular plug bush and combination plug bush all suit on the rotation axis, be provided with on the outer lane lateral wall of annular plug bush and combination plug bush and can insert the membrane along with the plug bush and roll up the conical surface that the tip and the bloated tight membrane of portion rolled up, the both ends that membrane was rolled up are inserted respectively to annular plug bush and combination plug bush, two nuts tighten up respectively and lean on back on the outer end of annular plug bush and combination plug bush, the membrane is rolled up and is being fastened the suit on the rotation axis, the combination plug bush is formed by two semi-ring stopper pair pieces together, make the combination plug bush pull down from the rotation axis, thereby when the bearing at rotation axis tip was not installed in the opening bearing frame, the membrane is rolled up and can be followed this end suit on the rotation axis.

Further, unwinding device in the plastic section production line, wherein: the locking mechanism is a locking screw which can block the bearing from leaving the open bearing seat after being screwed into the opening of the open bearing seat.

Further, unwinding device in the plastic section production line, wherein: the mounting structure of rotating bearing seat and frame does: be provided with a through-hole in the frame, wear to be equipped with an installation axle in the through-hole, the frame is upwards worn out to the upper end of installation axle, is provided with a mounting hole in rotating bearing seat's bottom, and the upper end of installation axle tightly bonds and inserts to the mounting hole in for rotating bearing seat can rotate through the installation axle, and a separation blade is installed to detachable on the lower extreme of installation axle, and the separation blade can be through leaning on with the frame counterbalance and prevent the installation axle by upwards extracting the through-hole.

Further, unwinding device in the plastic section production line, wherein: the opening bearing seat is further connected with a damping screw which can be screwed in and then pushed against the rotating shaft, different rotary damping can be applied to the rotating shaft by adjusting the pushing degree of the damping screw, and therefore the unreeling speed can be adjusted.

Further, unwinding device in the plastic section production line, wherein: and a wear-resistant sleeve is arranged on the end part of the damping screw abutting against the rotating shaft.

Further, unwinding device in the plastic section production line, wherein: the anti-drop sheet is detachably arranged on the end part of the rotating shaft, wherein the bearing is arranged in the rotating bearing seat, the anti-drop sheet is abutted against the inner ring of the bearing, and when the other end of the rotating shaft is not arranged in the opening bearing seat, the anti-drop sheet can prevent the end part of the rotating shaft, where the anti-drop sheet is arranged, from being separated from the bearing.

The invention has the advantages that: after the unwinding device is simply operated, one end of the rotating shaft can be swung out from the open bearing seat, then the film roll can be conveniently replaced in an installation mode, and finally the bearing at one end of the rotating shaft can be unwound after being installed back into the open bearing seat; in addition, because an air expansion shaft is not used, the manufacturing cost of the unwinding device is greatly reduced.

Drawings

Fig. 1 is a schematic structural view of an unwinding device in a plastic profile production line according to the present invention.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.

As shown in fig. 1, the unwinding device in the plastic section production line includes: a frame 1, a rotatable rotating bearing seat 2 is arranged on one side of the frame 1, an open bearing seat 3 with an opening is arranged on the other side of the frame 1, the rotating bearing seat 2 and the open bearing seat 3 are arranged side by side from left to right, the opening of the open bearing seat 3 is arranged forward, a rotating shaft 4 is arranged between the two bearing seats, a bearing is arranged on each of two ends of the rotating shaft 4, the bearing on one end of the rotating shaft 4 is arranged in the rotating bearing seat 2, so that the rotating shaft 4 can horizontally swing back and forth through the rotating bearing seat 2, the bearing on the other end of the rotating shaft 4 can be clamped in the open bearing seat 3 from the opening of the open bearing seat 3 after swinging back, a locking mechanism capable of locking the bearing in the open bearing seat 3 is arranged on the open bearing seat 3, two nuts 5 are connected on the rotating shaft 4 by screw threads, an annular plug sleeve 6 and a combined plug sleeve 7 are arranged between the two nuts 5, the annular plug sleeve 6 and the combined plug sleeve 7 can be inserted into one end of the film roll 11, the annular plug sleeve 6 and the combined plug sleeve 7 are sleeved on the rotating shaft 4, the outer side walls of the annular plug sleeve 6 and the combined plug sleeve 7 are provided with conical surfaces 61 capable of expanding the film roll 11 along with the insertion of the plug sleeve into the end portion of the film roll 11, the annular plug sleeve 6 and the combined plug sleeve 7 are respectively inserted into two ends of the film roll 11, after the two nuts 5 are tightened and abutted against the outer ends of the annular plug sleeve 6 and the combined plug sleeve 7, the film roll 11 can be tightly sleeved on the rotating shaft 4, the combined plug sleeve 7 is formed by splicing two semi-annular plugs 71, the combined plug sleeve 7 can be detached from the rotating shaft 4, and the film roll 11 can be sleeved on the rotating shaft 4 from the end when a bearing at the end portion of the rotating shaft 4 is not installed in the open bearing seat 3.

In this embodiment, the locking mechanism is a locking screw 8 which is screwed into the opening of the open housing 3 and blocks the bearing from leaving the open housing 3.

The mounting structure of the rotary bearing seat 2 and the frame 1 is as follows: be provided with a through-hole in frame 1, wear to be equipped with an installation axle 21 in the through-hole, frame 1 is upwards worn out to the upper end of installation axle 21, be provided with a mounting hole in rotary bearing seat 2's bottom, the upper end of installation axle 21 tightly fixes and inserts to the mounting hole in for rotary bearing seat 2 can rotate through installation axle 21, install a separation blade 22 through screw detachable on the lower extreme of installation axle 21, separation blade 22 can prevent installation axle 21 by upwards extracting the through-hole through leaning on with frame 1 counterbalance.

The opening bearing seat 3 is also in threaded connection with a damping screw 9 which can be screwed in and then pushed against the rotating shaft 4, and different rotary damping can be applied to the rotating shaft 4 by adjusting the pushing degree of the damping screw 9, so that the unreeling speed can be adjusted. A wear-resistant sleeve is arranged on the end part of the damping screw 9 which is abutted against the rotating shaft 4. An anti-drop sheet 10 which is abutted against the inner ring of the bearing is detachably arranged on the end part of the rotating shaft 4 of which the bearing is arranged in the rotating bearing seat 2 through a screw, and when the other end of the rotating shaft 4 is not arranged in the open bearing seat 3, the anti-drop sheet 10 can prevent the end part of the rotating shaft 4 where the anti-drop sheet is arranged from being separated from the bearing.

The steps for replacing the film roll 11 are as follows: (1) screwing the locking screw 8 out of the opening of the open bearing seat 3; (2) manually driving the rotating shaft 4 to swing forwards, so that a bearing on one end of the rotating shaft 4 is separated from the open bearing seat 3; (3) unscrewing the nut 5 on the side of the combined plug sleeve 7, then pulling the combined plug sleeve 7 out of one end of the old film roll 11, and then removing the combined plug sleeve 7 from the rotating shaft 4; (4) removing the old film roll 11 from the rotating shaft 4; (5) a new film roll 11 is fitted over the rotating shaft 4 and the annular sleeve 6 is inserted into one end of the new film roll 11; (6) the combined sleeve 7 is fitted back onto the rotating shaft 4 and the combined sleeve 7 is inserted into the other end of the new film roll 11; (7) the nut 5 on the side of the combined plug bush 7 is screwed to ensure that the nut 5 is tightly close to the combined plug bush 7, so that a new film roll 11 can be tightly sleeved on the rotating shaft 4; (8) the rotating shaft 4 is manually driven to swing backwards so that the bearing disengaged from the open bearing seat 3 can be snapped back into the open bearing seat 3 and then the locking screw 8 is screwed in so that the bearing is locked in the open bearing seat 3.